DE2144909C

DE2144909C - Shovel loader

Info

Publication number: DE2144909C
Application number: DE19712144909
Authority: DE
Inventors: Georg von Dipl.-Ing.Dr. 3001 Krähenwinkel Braunschweig
Original assignee: Rheinstahl Ag Hanomag Baumaschinen, 3000 Hannover
Filing date: 1971-09-08
Publication date: 1973-03-29

Description

höliung der Seitenstabilität jede dieser Stangen zu lenkig gelagerten Kolbenzylinderaggregaten 7 L undHöliung the lateral stability of each of these rods to articulated piston cylinder units 7 L and

einer vertikalen Tragscheibe ausgebildet. TR bewegbar sind.formed a vertical support disc. TR are movable.

Eine weitere Ausführungsform besteht darin, daß In der Ausführungsform gemäß F i g. 2 gelangen die beiden Gelenke nach Art eines doppeltwirkenden zylindrische Schubstangen 5 L und 5 R und bei der Scharnieres ausgebildet sind, wobei die die Gelenke 5 Ausführungsform gemäß F i g. 3 plattenartige Schubverschiebenden bzw. festhaltenden Antriebsmittel stangen S α zur Anwendung. Die in den Lagern 6« durch hydraulische Kolbenzylinderaggregate oder geführten plattenartigen Schubstangen Sa bilden eine durch Schnecken-, Seil- oder Zahntriebe gebildet sehr steife Verbindung mit den übereinanderliegenden ^sind· . Lageraugen 8 α.Another embodiment consists in that in the embodiment according to FIG. 2, the two joints arrive in the manner of a double-acting cylindrical push rod 5 L and 5 R and are formed in the hinge, the joints 5 being the embodiment according to FIG. 3 plate-like push-shifting or holding drive means rods S α for use. The in the bearings 6 "by hydraulic piston-cylinder units or guided plate-like push rods Sa form a very rigid connection, formed by worm, cable or toothed drives, with the superimposed ^sin d ·. Bearing eyes 8 α.

Die beiden Hälften des doppeltwirkenden Schar- io Durch Ausfahren der linken Schubstange 5 L wird niers sind in einer Ausführungsform durch ein ein- durch die rechte Gelenkverbindung 5 R, HR die ziges in Richtung der Fahrzeuglängsachse wirkendes rechte Lenkachse RLA gebildet, so daß der Schaufel-Antriebsaggregat gegeneinander verschiebbar, wobei lader zu einer Rechtskurve einschlägt. Beim Ausfahbei Geradeausfahrt beide Scharnierhälften durch ' ren der rechten Schubstange 5 R bildet die Gelenk-Arretierungsmittd und bei Lenkbewegungen jeweils 15 verbindung 5 L, 8 L die linke Lenkachse LLA.
nur eine Scharnierhälfte an den Gcstellteikn fest- Bei den Ausführungsformen gemäß Fig. 4 und 5 gelegt sind. _sind beide Gelenke durch ein doppeltwirkender,The two halves of the double acting coulter io By extending the left push rod 5 L niers the ziges acting in the direction of the vehicle longitudinal axis right steering axis RLA are formed in one embodiment by a single through the right articulation 5 R, HR, so that the paddle Drive unit can be shifted against each other, the loader making a right-hand bend. When moving straight ahead, both hinge halves through 'ren the right push rod 5 R forms the joint locking device and when steering movements 15 each connection 5 L, 8 L forms the left steering axis LLA.
only one hinge half on the Gcstellteikn fixed- In the embodiments according to FIGS. 4 and 5 are placed. _are both joints by a double-acting,

In einer anderen Ausführungsform sind die An- Scharnier gebildet. Mehrere lon echt in einer Achse iriebs- und Arretierungsmittel für die be:Jen Schar- am Vordergestell übereinanderliegend angeordnete nierhälften durch je ein hydraulisches Kolbenzylin- 20 linke Lageraugen 9 L bilden zusammen mit einer lotderaggregat gebildet, welches jeweils direkt in der rechten Scharnierplatte 11 die eine Scharnierhälfte. lotrechten Gelenkachse einerseits und am jeweiligen während entsprechend am Hintergestell 2 angeord-Gestellteil andererseits angreift, das das feststehende nete rechte Lageraugen 9 R ebenfalls mit der Schar-Scharnierlager trägt. nierplatte Il die zweite Hälfte des doppeltwirkendenIn another embodiment, the hinges are formed. Several lon real iriebs- and locking means for the be: Jen Schar- on the front frame arranged one on top of the other nierhälften by a hydraulic piston cylinder- 20 left bearing eyes 9 L form together with a soldering unit, which is formed directly in the right hinge plate 11 the one Hinge half. vertical joint axis on the one hand and on the other while corresponding to the rear frame 2 angeord-frame part engages, which carries the fixed Nete right bearing eyes 9 R also with the coulter hinge bearing. nierplatte II the second half of the double-acting

Es ist aber such möglich, daß die Antriebs- und 35 Scharnieres bilden.But it is also possible that the drive and 35 form hinge.

Arretierungsmittel durch je ein am zugeordneten Ge- In der Ausführungsform gemäß F i g. 4 findet einLocking means by a respective one on the associated device. In the embodiment according to FIG. 4 finds a

stellteil und an der dem GesiJlteil zugewandten Seite einziges Kolben-Zylinder-Aggregat 12 Verwendung,control part and the single piston-cylinder unit 12 on the side facing the body part,

der Scharnierplatte gelenkig angreifendes Kolben- welches im Anlenkpunkt 14 am Gestellteil 2 und imthe hinge plate articulated engaging piston which in the articulation point 14 on the frame part 2 and in

Zylinder-Aggregat gebildet sind. Durch diese Anord- · Anlenkpunkt 13 durch die Scharnierplatte 11 hin-Cylinder unit are formed. Through this point of articulation 13 through the hinge plate 11

nung können die Kolben-Zylinder-Aggregate relativ 30 durch am Gestellteil 1 gelenkig angreift. Durch linkeThe piston-cylinder assemblies can relatively act on the frame part 1 in an articulated manner. By left

kurzhubig ausgebildet werden. und rechte Arretiermittel 10 L und 10 R lassen sichbe trained short-stroke. and right locking means 10 L and 10 R can be

Der F.rfindungsgedanke ist an Hand der Zeichnung die Scharnierhälften zur Geradeausfahrt verriegeln,The idea behind the invention is to use the drawing to lock the hinge halves for driving straight ahead,

an mehreren Ausführungsmöglichkeiten näher erläu- Zur Durchführung einer Lenkbewegung für eineto carry out a steering movement for a

tert. Dabei zeigt Rechtskurve ist es erforderlich, das Vordergcstell 1tert. If you turn right, it is necessary to place the front 1

Fig. 1 eine schematische Draufsicht auf einen 35 mit Hilfe des rechten Arretierungsmittels 10 R amFig. 1 is a schematic plan view of a 35 with the help of the right locking means 10 R am

Schaufellader mit Knicklenkung, Hintergestell 2 festzulegen, während das linke Arre-Bucket loader with articulated steering, rear frame 2 to be fixed, while the left locking

Fig. 2 ebenfalls schematisch die Seitenansicht tierungsmittel 1OL das Vordergestell freigibt, so daßFig. 2 also schematically shows the side view tierungsmittel 1OL releases the front frame, so that

unter Verwendung zylindrischer Schubstangen bei der das Kolben-Zylinder-Aggregat 12 beide Gestellteile 1using cylindrical push rods in which the piston-cylinder unit 12 has both frame parts 1

Knicklenkung, _und 2 um die rechte Lenkachse verschiebt. Für eineArticulated steering, _and 2 shifts around the right steering axis. For one

Fig. 3 als Variante zu Fig. 2 unter Verwendung 40 Linkskurve erfolgt die Festlegung bzw. Freigabe derFIG. 3 as a variant of FIG. 2 using 40 left-hand bend is used to define or enable the

plattenartiger Schubstangen bei der Knicklenkung Scharnierhälften sinngemäß. Die schematisch darge-plate-like push rods in the articulated hinge halves accordingly. The schematically shown

und stellten Arretierungsmittel 10 L und 10 R könnenand put locking means 10 L and 10 R can

F i g. 4 und 5 in schematischer Draufsicht zwei z. B. durch einen Zahnradtrieb bewegt werden,F i g. 4 and 5 in a schematic plan view two z. B. be moved by a gear drive,

weitere Ausführungsformen mit einem doppelseitig In einer nicht dargestellten Ausführungsform grei-further embodiments with a double-sided

wirkenden Lenkschamier. ₄₅ fen in Anlehnung an die Ausführungsform gemäßacting steering hinge. ₄₅ fen based on the embodiment according to

Der Schaufellader besteht aus dem die Schaufel- Fig. 4 ein Kolb^n-Zylinder-Aggregat am Gestellteil 1The shovel loader consists of the shovel Fig. 4 a piston ^ n-cylinder unit on the frame part 1

ausrüstung tragenden Vordergestell 1 und dem den und an der zugewandten Seite der Scharnierplatte 11,equipment-bearing front frame 1 and the and on the facing side of the hinge plate 11,

Motor tragenden Hinterlegten 2, wobei die Vorder- und ein Kolben-Zylinder-Aggregat auf der gegen-Engine-bearing deposited 2, with the front and a piston-cylinder unit on the opposite

räder 3 durch eine starre Achse und die Hinterräder 4 übc-Iiegenden Seite an der Scharnierplatte 11 und amwheels 3 by a rigid axle and the rear wheels 4 überc-Iieenden side on the hinge plate 11 and on

entweder mit einer Pendelachse oder durch eine 50 Hintergestell 2 gelenkig an, so daß die Kolben-Zylin-either with a pendulum axle or by a 50 rear frame 2 articulated so that the piston-cylinder

Einzelradaufhängung mit dem Gestellteil 2 verbunden der-Aggregate wechselweise Arretieruhgsmittel oderIndependent wheel suspension connected to the frame part 2 of the aggregates alternately locking means or

sind. Antriebsmittel bilden, so daß auf die in Fig. 4 dar-are. Form drive means so that on the shown in Fig. 4

Beide Gestellteile 1 und 2 sind durch zwei beider- gestellten seitlichen Arretierungsmktel verzichtetBoth frame parts 1 and 2 are dispensed with due to two lateral locking points provided at both ends

seits der Fahrzeuglängsachse A angeordnete, um lot- werden kann.side of the vehicle longitudinal axis A arranged to be plumb.

rechte Achsen LLA und RLA drehende Gelenke ver- 55 In der Ausführungsform gemäß Fig. 5 gelangenRight axes LLA and RLA rotating joints get 55 In the embodiment according to FIG

bunden, welche unabhängig voneinander in Fahrt- zwei die Scharnierhälften wechselweise verschiebendetied, which independently of each other in travel two the hinge halves shifting alternately

richtung verschiebbar sind. bzw. festhaltende Kolben-Zylinder-Aggrcgatc 15 unddirection are shiftable. or retaining piston-cylinder units 15 and

In der Ausführungsform gemäß Fig. 1 bis 3 sind 16 zur Anwendung, die gelenkig an den Gestellteilen 1In the embodiment according to FIGS. 1 to 3, 16 are used, which are articulated on the frame parts 1

am Vordergestcll 1 links und rechts der Fahrzeug- und 2 und in der zugeordneten Gelenkachse an-on the front frame 1 left and right of the vehicle and 2 and in the associated articulated axis.

längsachse/i Lageraugen 8 L und HR vorgesehen, in 60 greifen.longitudinal axis / i bearing eyes 8 L and HR provided, grip in 60.

■ welche gelenkig Schubstangen S L und 5 R eingrei- Auch bei dieser Ausführungsforin bilden die Ko!- fen, welche in Trag- und Führungslagern 6 des Ge- ben-Zylinder-Aggregate 15, 16 gleichzeitig die Anstellteiles 2 verschieblich geführt und von den ge- triebsmittel und die Arretierungsmittel.The articulated push rods S L and 5 R also form the Ko! - propulsion means and the locking means.

Hierzu 2 Blatt ZeichnungenFor this purpose 2 sheets of drawings

Claims

Patent claims un ^ a ^ s engine supporting rear frame with pendulum axle or independent wheel suspension, di

1. Shovel loader, the one the Schaufelaus- both together for the purpose of steering ge Rigid front frame and one of the hingedly connected and equipped with steering drives Motor-bearing rear frame with pendulum axle 5 are.

or independent wheel suspension, the two shovel loaders of this known type (German '

articulated to each other for the purpose of steering Auslegeschriften 1481323 and 1 137 681) are connected and provided with steering drives; equipped with a so-called articulated steering, characterized in that the front is formed by a frame (i) arranged on the vehicle's longitudinal axis and the rear frame (2) is formed by two perpendicular bolts and by bearing eyes arranged on both frames on both sides of the longitudinal axis (A) of the vehicle is, mi designated, rotating about vertical axes (LLA, RLA) to which both chassis are directly connected, joints are connected and these are independent of- whereby laterally the longitudinal axis engaging hydraulic piston-cylinder units are provided in the direction of travel through the steering drives, mii are displaceable. 15 which the steering movements about this vertical axis

2. Shovel loader according to claim 1, thereby generated. All between the at least actuating parts occurring forces and loads must be articulated at a bearing eye (8 L, SR) of this connection, a frame system (1 or 2) engaging rod due to this central joint arrangement komml (5 L, 5 R) is assigned, which by the steering »o it especially when used on construction sites with rigid drives (7L, 7R) in relation to their vacancies (6) ken ground deformations to large nodding movements on the other frame part (2 or 1 ) is displaceable, between the front and rear frame, whereby in each case the one joint is influenced according to the steering movement to be carried out disadvantageously in relation to the driving behavior and the lateral stability.

the other joint to form the steering axis (LLA 35 In trucks it is known or RLA) is in the retracted position, while the (German Patent 953 619), the motor, the other joint to determine the steering car with the trailer vehicle by vertical impact can be extended accordingly. Joints of a double-acting hinge to be coupled

3. Bucket wheel according to claim 1 and 2, there- pein. When driving straight ahead, both vehicles are almost characterized by the fact that each rod is moved together to form a 30 to contact, while with vertical support disk (5 a) is formed. When cornering, the joint on the inside of the curve is the

4. Shovel loader according to Ahspmrhl, thereby forming the kink point of the two coupled vehicles, characterized in that the two joints according to the type The connection of the two vehicles is achieved by diagonal links arranged in two of a double-acting hinge (9 L, 11, 9R) planes, which are designed the joints engaging in each case in joint bolts which are arranged on the outer edge of the drive pushing device or the fixed steering drive. The diagonal striving through hydraulic piston-cylinder units must absorb all tensile forces, where- (7, 12, 15, 16) or by worm, rope or especially gear drives are formed when driving straight ahead. these are unfavorable, as the diagonal struts are close together.

5. Shovel loader according to claim 4, characterized in that 40 are mutually aligned and on the hinge pin transversely to the characterized in that the two halves (9 L, 11 vehicle longitudinal axis act. These and 9 R, 11) are mutually displaceable. The arrangement also requires that both vehicles have their own steering system, with both hinge halves when driving straight ahead, so that only one hinge half 45 kings is achieved twice by means of locking means (10 L, 10 R) and when the hinge is turning when cornering.

(9 L, 11 or 9 Ä.11) on the frame parts (1 The invention is therefore based on the task

and 2) are specified. in the case of the shovel loader of the type mentioned at the beginning

6. Shovel loader rwh claim 4, characterized by the lack of the steering device with simple means to eliminate the drive and locking and increase the driving behavior and the side means for the two hinge halves (9 L, 50 stability.

11 and 9 R, 11) each by a hydraulic KoI- This task is achieved according to the invention by

Ben-cylinder unit are formed, which solves the fact that the front frame and rear frame are connected by joints which rotate around vertical axes on the side and on the respective frame part (i and 2), each arranged directly in the vertical joint axis of one of the two sides of the vehicle's longitudinal axis articulated attacks that the fixed hinge 55 and this bearing independently of each other in the direction of travel (9 L and 9 R). are displaceable by the steering drives.

7. shovel loader according to claim 4, characterized in one embodiment is each joint characterized in that the drive and locking at least one articulated to a bearing eye of the rungsmittcl assigned by a rod that engages the associated frame, one frame part, part and on the set (1 or 2) trains 60 which by the steering drives opposite their turned side of the hinge plate (11) is hinged bearing points on the other frame part, attacking Kolbcn-cylinder unit formed with each one joint corresponding to the are. steering movement to be carried out with respect to the other joint to form the steering axis in retracted

65 rener position, while the other joint for determining the steering angle correspondingly far 'he invention relates to a shovel loader that can be extended.
Scliaiifelaiisüstiing rigid (protruding protrusion: stell In another embodiment is to create